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    <title>zero series</title>
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    <p>Custom bars with a completely zero series. Both Y1 and Y2 should show.</p>

    <div id="data" style="display:none">X,Y1,Y2
1,1;2;3,0;0;0
2,2;3;4,0;0;0
3,1;3;5,0;0;0
</div>

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          document.getElementById("data").innerHTML,
          {
            customBars: true
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